RUBBER COMPOSITION WITH SHAPE MEMORY NATURE AND INSOLE USING THE SAME

Provided is a rubber composition which has a shape memory property, and an inner sole for shoes using the rubber composition molded into the shape of a food which absorbs the impact applied to the heel. The rubber composition comprises 15-70 wt% of a polyalkylene polymer which has a trans-double bon...

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Bibliographische Detailangaben
Hauptverfasser: HYUN, BYUNG NAM, HONG, CHEONG SEOK
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Provided is a rubber composition which has a shape memory property, and an inner sole for shoes using the rubber composition molded into the shape of a food which absorbs the impact applied to the heel. The rubber composition comprises 15-70 wt% of a polyalkylene polymer which has a trans-double bond content of 60 % or more, a melting point above a room temperature and a glass transition temperature of 80 deg.C or more; 30-80 wt% of a rubbery polymer having a crosslinking point forming structure; and the balance of a crosslinking agent and other additives. Preferably the rubber composition is molded into a pattern of a foot at a temperature of 100-120 deg.C.